Arisaka TC-2 Momentary Switch TypeThe Z-BOLT® MOT tailcap switch for momentary light activation. Thread fully for constant on.1. Thread the tailcap onto the light body until light activates.2. Back the tailcap off 0.5 to 1.5 turns until your preferred amount of switch travel and feel is obtained.3. The light will activate as long as the button is pressed. Momentary ONLY Button Activation The more "tactical" option ensuring proper light discipline. Twist cap fully on for constant on. Arisaka TC-2 Momentary Switch Type The Z-BOLT® MOT tailcap switch for momentary light activation. Thread fully for constant on. 1. Thread the tailcap onto the light body until light activates. 2. Back the tailcap off 0.5 to 1.5 turns until your preferred amount of switch travel and feel is obtained. 3. The light will activate as long as the button is pressed. Momentary only switches are the preferred style for large numbers of civilians, police, and enlisted military. Often preferred by weapon instructors because they simplify light operation. Why? Because our behavior changes when under stress or fire — the momentary switch eliminates the possibility of unwanted or accidental light activation, unlike clicky-style tailcaps. Mil-Spec Type III Anodized aluminum construction with aerospace-grade durability. Knurled collar provides improved grip in gloved conditions. Available in Black, Z-BOLT® FDE, Modlite FDE, and Surefire® Tan. Compatible with Z-BOLT® 18350/18650 light bodies, Modlite 18350/18650, Arisaka 18350/18650 light bodies, Surefire® Scout 300 and 600, Surefire® M600DF/M640DF Weapon Lights, and Surefire® flashlights with .75" diameter switches including E1B-MV, E2DLU-A, E2DLU-T, E2T-MV, AVIATOR models, and V1 series.